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... -97.'' 1923 January 1923 January Jan 1 1923 1 Jan 2 1923 2 Jan 3 1923 3 Jan 4 1923 4 Jan 5 1923 5 Jan 6 1923 6 Jan 7 1923 7 Jan 8 1923 8 Jan 9 1923 9 ... 23 1923 23 Aug 24 1923 24 Aug 25 1923 25 Aug 26 1923 26 Aug 27 1923 27 Aug 28 1923 28 Aug 29 1923 29 Aug 30 1923 30 Aug 31 1923 31 September 1923 September Sep 1 1923 ...

Concluding sentence of the annual report of the National Advisory Committee for Aeronautics NACA for 1923 was : "Progress in aeronautics is being made at so rapid a rate that the only way to keep abreast of other nations is actually to keep abreast, year by year, never falling behind." Aeromarine all-metal flying boat launched at Keyport, N. J.

Hugo Gernsback publishes "Scientific fiction" issue of his magazine Science and Invention . Image:SI 1923-08.jpg 300px

''Navigating Interstellar Space'' by Charles Frederick Carter appears in Science and Invention magazine. The same issue contains a pictorial review of the motion picture ''The Stellar Express''. Image:SI 1923-02.jpg 300px

Cloud seeding over McCook Field, Dayton, accomplished by Prof. W. D. Bancroft of Cornell University, from Air Service aircraft.

Aeronautical Engine Laboratory transferred from Washington Navy Yard to the Naval Aircraft Factory, establishing the Naval Aircraft Factory as the center of naval aeronautical development.

DeBothezat helicopter achieved sustained altitude of 15 feet for 2 minutes and 45 seconds in flight tests at McCook Field.

Auxiliary jettisonable belly tank fitted to bomb rack of MB3A at Selfridge Field, Mich., increased eying radius to about 400 miles.

Lunar radiation observations at an altitude of 19,000 feet made by Russell M. Otis in DH-4B over San Diego, Lt. F. W. Seifert as pilot.

Lt. R. L. Maitland attained world speed record of 239.95 mph hi Curtiss R-6 at Dayton, Ohio.

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